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68panelman · 09-23-2018, 08:28 AM

In to see pictures. Unless the whine is obnoxiously loud, your probably just not used to the sound of straight cut gears. Not much available for them but seals and some bearings, but just as bomb proof as the NP205.
Me, I'd leave it alone, but it's your truck to play with.

09-23-2018, 08:28 AM	#7
68panelman Registered User Join Date: Jan 2011 Location: Delaware and Long Island, New York Posts: 3,455	Re: 68 Canadian GMC 920 4x4 Questions In to see pictures. Unless the whine is obnoxiously loud, your probably just not used to the sound of straight cut gears. Not much available for them but seals and some bearings, but just as bomb proof as the NP205. Me, I'd leave it alone, but it's your truck to play with.